@charset "UTF-8";
/* CSS Document */

html {
  overflow-x: hidden;
  font-family: Helvetica Neue, Roboto Light, PingFang SC, Lantinghei SC, Hiragino Sans GB, Microsoft Yahei, Arial
}

html[lang=ja] {
  font-family: Hiragino sans, Osaka, メイリオ, Meiryo, ＭＳ\ Ｐゴシック, MS PGothic, Helvetica Neue, Roboto Light, Arial, sans-serif
}

html[lang=ko] {
  font-family: 맑은\ 고딕, malgun gothic, AppleGothicNeoSD, Apple SD 산돌고딕 Neo, Helvetica Neue, Roboto Light, Arial, sans-serif
}

body {
  padding: 0;
  font-weight: 200;
  color: #666;
  font-size: 62.5%;
  -webkit-font-smoothing: subpixel-antialiased;
  overflow-x: hidden
}

body,
h1 {
  margin: 0
}

h1 {
  font-weight: 100;
  font-size: 45px;
  line-height: 55px
}

.map {
  width: 910px;
  margin: 54px auto 0;
  position: relative;
}

.map-img {
  width: 100%;
}

.map .company-info {
  position: absolute;
  width: 290px;
  top: 0;
  left: 20px;
  padding: 30px 20px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  background: rgba(216, 77, 55, .8);
  color: #ffffff;
}

.company-info .company-title {
  font-size: 20px;
  font-weight: 600;
}

.company-info .company-desc {
  padding-top: 8px;
  font-size: 12px;
}

.main {
  width: 960px;
  margin: 0 auto
}

.hero-nav {
  padding-left: 20px;
  line-height: 120px;
}

.hero-home {
  height: 68px;
  width: 160px;
  background-image: url(67e00759.heroDesktop.png)/*tpa=http://tantanapp.com/img/67e00759.heroDesktop.png*/;
  background-position: -439px 0;
  vertical-align: middle;
  display: inline-block;
}

.hero-home-en {
  height: 68px;
  width: 160px;
  background-image: url(67e00759.heroDesktop1.png)/*tpa=http://tantanapp.com/img/67e00759.heroDesktop1.png*/;
  background-position: -439px 0;
  vertical-align: middle;
  display: inline-block;
}

.hero-home-shm {
  height: 68px;
  width: 160px;
  background-image: url(67e00759.heroDesktop2.png)/*tpa=http://tantanapp.com/img/67e00759.heroDesktop2.png*/;
  background-position: -439px 0;
  vertical-align: middle;
  display: inline-block;
}

.hero-links {
  display: inline-block;
  float: right;
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.hero-link-item {
  display: inline-block;
  min-width: 150px;
  text-align: center;
}

.hero-link,
.hero-link:hover,
.hero-link:link,
.hero-link:visited {
  text-decoration: none;
  color: #fff;
  text-align: center;
  font-size: 1.6em;
}

.hero-link {
  display: block;
}

.hero-link-item {
  display: inline-block;
  min-width: 150px;
  text-align: center;
}

.top_main {
  background: url(HeroBackground.jpg)/*tpa=http://tantanapp.com/img/HeroBackground.jpg*/ center no-repeat;
  background-size: cover;
  overflow: hidden;
  zoom: 1
}

.top_bg {
  height: 120px;
  line-height: 120px;
  background: hsla(0, 0%, 100%, .1);
}

.sp_bf {
  float: left;
  padding-top: 20px;
  position: relative
}

.jt_all {
  position: absolute;
  width: 122px;
  background: url(67e00759.heroDesktop.png)/*tpa=http://tantanapp.com/img/67e00759.heroDesktop.png*/
}

.jt_z {
  height: 53px;
  left: -75px;
  top: 157px;
  background-position: -439px -88px;
}

.jt_y {
  height: 34px;
  right: 6px;
  top: 143px;
  background-position: -439px -163px;
}

.hero-video {
  position: absolute;
  top: 80px;
  left: 73px;
  border: 1px solid #ddd;
}

.xz_js {
  float: left;
  width: 470px;
  padding: 90px 0 0 60px
}

h1 {
  font-weight: 100;
  font-size: 45px;
  line-height: 55px;
  color: #fff;
  -webkit-margin-before: 0;
  -webkit-margin-after: 0.83em;
  -webkit-margin-start: 0px;
  -webkit-margin-end: 0px;
}

.wz_js {
  font-weight: 200;
  font-size: 18px;
  line-height: 25.2px;
  margin: 30px 0;
  text-align: justify;
  color: #fff
}

.pg_xz {
  background: #06f;
  margin-right: 20px;
}

.az_xz {
  background: #3c3;
}

.xz_an {
  height: 55px;
  width: 220px;
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  border-radius: 30px;
  line-height: 55px;
  font-weight: 500;
}

.xz_an img {
  vertical-align: middle;
  padding: 0 10px 0 20px
}


#download {
  background-color: #f6efef;
  padding-bottom: 44px;
  text-align: center;
  overflow: hidden
}

.about-nav {
  margin: 0 auto;
  height: 60px;
  line-height: 60px;
  width: 380px;
}

.nav-item {
  display: inline-block;
  margin: 0 30px;
  font-family: NotoSansHans;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
}

.nav-item.cur {
  border-bottom: 3px solid #d84d37;
}

.nav-link {
  display: block;
  height: 100%;
  width: 100%;
  text-decoration: none;
  color: #4a4a4a;
}

.tab-content {
  width: 300%;
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  position: relative;
}

.tab-item {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
}

.download-title {
  color: #ed1e24;
  font-size: 48px;
  line-height: 48px;
  font-weight: 100;
  margin-top: 55px
}

.download-targets {
  text-align: center;
  max-width: 960px;
  margin: 60px auto 0;
  padding: 0
}

.download-target {
  width: 33%;
  display: inline-block
}

@media (max-width:1024px) {
  .download-target {
    margin: 0 auto 50px;
    width: 100%;
    display: block;
    max-width: 400px
  }
}

.download-link {
  display: block
}

.download-android,
.download-iphone {
  margin-left: 85px
}

.download-qr {
  margin: 51px 0;
  -ms-interpolation-mode: nearest-neighbor;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: -moz-crisp-edges;
  image-rendering: -o-pixelated;
  image-rendering: pixelated
}

.download-label {
  display: inline-block;
  line-height: 60px;
  width: 200px;
  border-radius: 30px;
  background-color: #99999e;
  color: #fff;
  font-size: 22px;
  font-weight: 100;
  height: 60px;
  margin-top: 35px;
  text-align: center
}

.footer {
  background: #fff;
  text-align: center;
  font-size: 12px;
  padding: 20px 0
}

.footer a {
  text-decoration: none;
  color: #818c92;
  cursor: pointer
}

.footer-row {
  padding: 4px;
  max-width: 975px;
  margin: 0 auto
}

.footer-about {
  padding-right: 10px
}

.footer-about,
.footer-contact {
  border-right: 1px solid #818c92
}

.footer-contact {
  padding: 0 10px
}

#footer-language {
  padding-left: 10px
}

.footer-flag {
  width: 14px;
  height: 10px;
  vertical-align: middle;
  position: relative;
  top: -1px
}

.footer-name {
  vertical-align: baseline
}

.footer-component {
  display: inline-block;
  margin: 0 10px;
  color: #818c92;
}

.contact {
  color: #fff;
  font-size: 1.8em;
  max-width: 880px;
  margin: 0 auto;
  padding: 30px 20px 90px;
  overflow: hidden;
}

.contact-title {
  font-size: 18px;
  margin: 0 auto;
  margin-top: 30px;
  font-weight: 200
}

.contact-title1 {
  margin: 0 auto;
  margin-top: 50px;
  font-size: 20px;
  font-weight: 300;
  color: #4a4a4a;
}

.contact-social-list {
  margin: 0;
  padding: 0;
  list-style: none;
  width: 120%;
  margin-top: 70px;
}

.contact-social-item {
  display: inline-block;
  vertical-align: top;
  margin: 20px 130px 0px 0px;
}

.contact-qr {
  display: block;
  height: 120px;
  width: 120px;
}


.contact-social-icon {
  display: block;
  height: 40px;
  width: 40px;
  margin: 0px auto 20px;
}



.contact-qr-facebook {
  background-image: url(facebook.png)/*tpa=http://tantanapp.com/img/facebook.png*/;
  background-size: 108px 108px
}

.contact-qr-instagram {
  background-image: url(instagram-ewm.png)/*tpa=http://tantanapp.com/img/instagram-ewm.png*/;
  background-size: 108px 108px
}

.contact-icon-instagram {
  background: url('eyJpZCI6IjRORE1FUlNTUzVGTlBFTlNKTEJLVjdGMk00MlFJUTAwIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjozMTA1MTQ4NTM5OTcxNDQyNDc1LCJhYiI6MH0.png')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IjRORE1FUlNTUzVGTlBFTlNKTEJLVjdGMk00MlFJUTAwIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjozMTA1MTQ4NTM5OTcxNDQyNDc1LCJhYiI6MH0.png*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-qr-instagram {
  background: url('eyJpZCI6IjY2TUlUU0JKNjJaSTRPVVFZWjIyRUhSWldCT0RZSTAwIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjo2MTQxMDM1OTY0NTI5OTY4NDkzLCJhYiI6MH0')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IjY2TUlUU0JKNjJaSTRPVVFZWjIyRUhSWldCT0RZSTAwIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjo2MTQxMDM1OTY0NTI5OTY4NDkzLCJhYiI6MH0*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-icon-facebook {
  background: url('eyJpZCI6Ik5PN0JER0NYNkpFMkJZWUlOSlVPVE01V0pENzZWUjAyIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxMTExODA1MDQzMTM5MTcwNTgzLCJhYiI6MH0.png')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6Ik5PN0JER0NYNkpFMkJZWUlOSlVPVE01V0pENzZWUjAyIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxMTExODA1MDQzMTM5MTcwNTgzLCJhYiI6MH0.png*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-qr-facebook {
  background: url('eyJpZCI6IjY2TUlUU0JKNjJaSTRPVVFZWjIyRUhSWldCT0RZSTAwIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjo2MTQxMDM1OTY0NTI5OTY4NDkzLCJhYiI6MH0')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IjY2TUlUU0JKNjJaSTRPVVFZWjIyRUhSWldCT0RZSTAwIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjo2MTQxMDM1OTY0NTI5OTY4NDkzLCJhYiI6MH0*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-icon-weibo {
  background: url('eyJpZCI6IlhVWlFSRTJOMldMUDZWSlRKN0pHT1FLV1hBMkNZRjAxIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjo1NTYyOTIzMzk4MjQ5MTI4NzgxLCJhYiI6MH0.png')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IlhVWlFSRTJOMldMUDZWSlRKN0pHT1FLV1hBMkNZRjAxIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjo1NTYyOTIzMzk4MjQ5MTI4NzgxLCJhYiI6MH0.png*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-qr-weibo {
  background: url('eyJpZCI6IlpPWlhXQzJFTFJEU1dMTkJFRUtNRDJKT0JSVkJCTDAzIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxNTEwODEwNzk0OTA0NTI3MzQxOCwiYWIiOjB9')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IlpPWlhXQzJFTFJEU1dMTkJFRUtNRDJKT0JSVkJCTDAzIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxNTEwODEwNzk0OTA0NTI3MzQxOCwiYWIiOjB9*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-icon-wechat {
  background: url('eyJpZCI6IjVVQkE2SktaR0RHUlVRU1dYTTVOQkc1VUVZSkIzTDAyIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxMDk1MzMwNTY4NzM4NTE3Nzc1LCJhYiI6MH0.png')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IjVVQkE2SktaR0RHUlVRU1dYTTVOQkc1VUVZSkIzTDAyIiwidyI6MTIwLCJoIjoxMjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxMDk1MzMwNTY4NzM4NTE3Nzc1LCJhYiI6MH0.png*/ no-repeat center center;
  background-size: 100% 100%;
}

.contact-qr-wechat {
  background: url('eyJpZCI6IlM0NFlZRlpOS1JIRUdUTFA3T0lVVjZDWkdDWlEyMzAwIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxMjU4NjMwNTUzMzIzNzI1NTA1NCwiYWIiOjB9')/*tpa=https://media.tantanapp.com/v1/images/eyJpZCI6IlM0NFlZRlpOS1JIRUdUTFA3T0lVVjZDWkdDWlEyMzAwIiwidyI6MzYwLCJoIjozNjAsImQiOjAsIm10IjoiaW1hZ2UvanBlZyIsImRoIjoxMjU4NjMwNTUzMzIzNzI1NTA1NCwiYWIiOjB9*/ no-repeat center center;
  background-size: 100% 100%;
}



.contact-social-info {
  display: inline-block;
  vertical-align: middle;
  max-width: 160px;
  color: #fff;
  text-decoration: none
}

.contact-list-items {
  display: inline-block;
  width: 320px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-item {
  white-space: pre-line;
  padding-top: 18px;
  font-size: 15px;
  color: #999999;
}

.contact-link {
  color: #999999;
  text-decoration: none
}


.back {
  top: 0;
  left: 0;
  bottom: 0;
  content: '';
  background: hsla(0, 0%, 100%, .5)
}

.back,
.languages {
  position: fixed;
  right: 0;
  display: none
}

.languages {
  background: #fff;
  margin: 20px;
  padding: 0 20px 50px;
  top: 20px;
  left: 50%;
  width: 400px;
  margin-left: -200px;
  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, .2);
  box-shadow: 0 0 10px rgba(0, 0, 0, .2)
}

@media only screen and (max-width:425px) {
  .languages {
    width: auto;
    margin: 0;
    left: 0
  }
}

.js-switch>.back,
.js-switch>.languages {
  display: block
}

.languages-title {
  font-weight: 200;
  font-size: 3em
}

.languages-list {
  list-style: none;
  margin: 0;
  padding: 0 20px
}

.language-link {
  text-decoration: none;
  padding: 10px 0;
  display: inline-block
}

.language-flag {
  vertical-align: middle;
  margin-right: 10px
}

.language-name {
  font-size: 1.6em;
  text-decoration: none;
  color: #242424;
  vertical-align: middle
}


.development {
  width: 920px;
  margin: 90px auto 0px;
}

.flex-row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  margin-top: 20px;
}

.flex-row div {
  width: 50%;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.development-year {
  border-bottom: dotted 3px #dfddd4;
  font-family: Arial;
  font-size: 32px;
  font-weight: bold;
  color: rgb(216, 77, 55, 0.6);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
  -ms-flex-align: end;
  align-items: flex-end;
  position: relative;
}

.left-border {
  border-right: dotted 3px #dfddd4;
  border-bottom-right-radius: 10px;
}

.left-border::before,
.last-border::before {
  content: '';
  display: block;
  border-radius: 100%;
  width: 10px;
  height: 10px;
  -webkit-box-shadow: 0px 0px 0px 4px rgba(216, 77, 55, 0.09);
  box-shadow: 0px 0px 0px 4px rgba(216, 77, 55, 0.09);
  background-color: #d84d37;
  position: absolute;
  top: -7px;
  right: -7px;
  z-index: 2;
}

.right-border {
  border-left: dotted 3px #dfddd4;
  border-bottom-left-radius: 10px;
}

.right-border::before {
  content: '';
  display: block;
  border-radius: 100%;
  width: 10px;
  height: 10px;
  -webkit-box-shadow: 0px 0px 0px 4px rgba(216, 77, 55, 0.09);
  box-shadow: 0px 0px 0px 4px rgba(216, 77, 55, 0.09);
  background-color: #d84d37;
  position: absolute;
  top: -7px;
  left: -7px;
  z-index: 2;
}

.last-border {
  border-right: dotted 3px #dfddd4;
}


.development-year.right-border {
  padding-left: 24px;
}

.blank {
  font-family: NotoSansHans;
  font-size: 14px;
  line-height: 2.14;
  margin-bottom: 46px;
  position: relative;
}

.ml24 {
  margin-left: 24px;
}

.bottom-icon {
  display: block;
  margin: 10px auto 90px;
  width: 60px;
  height: 60px;
}

.protocol {
  margin: 20px auto 80px;
  width: 870px;
}

.protocol-title {
  margin: 60px auto 18px;
  font-family: PingFangSC;
  font-size: 24px;
  font-weight: 300;
  text-align: center;
  color: #999999;

}

.protocol-subtitle {
  font-family: PingFangSC;
  font-size: 16px;
  font-weight: 300;
  color: #999999;
  margin-top: 20px;
}

.content {
  margin-top: 16px;
  font-family: PingFangSC;
  font-size: 14px;
  line-height: 1.71;
  color: #4a4a4a;
}

.hover-menu {
  display: none;
  padding: 0;
  margin: 0;
  list-style: none;
  position: absolute;
  top: 90px;
  left: 50%;
  margin-left: -60px;
  width: 120px;
  color: #ffffff;
  font-size: 16px;
}

.menu-icon {
  width: 12px;
  height: 8px;
  vertical-align: middle;
}

.hover-menu-item {
  width: 100%;
  height: 44px;
  line-height: 44px;
  text-align: center;
  cursor: pointer;
  background: rgba(0, 0, 0, .1);
}

.hover-menu-item a {
  display: block;
  height: 100%;
  width: 100%;
  color: #ffffff;
  text-decoration: none;
}

.hover-menu-item:hover {
  background: rgba(0, 0, 0, .2);
}

.pre {
  position: relative;
}